Penjor และผู้แต่งคนอื่นๆ. (2000) A participatory problem solving approach to increase willingness among doctors and nurses to manage HIV/AIDS patients at the National Reterral Hospital Thimphu, Bhutan. Chulalongkorn University:ม.ป.ท.Penjor และผู้แต่งคนอื่นๆ. 2000. A participatory problem solving approach to increase willingness among doctors and nurses to manage HIV/AIDS patients at the National Reterral Hospital Thimphu, Bhutan. ม.ป.ท.:Chulalongkorn University;Penjor และผู้แต่งคนอื่นๆ. A participatory problem solving approach to increase willingness among doctors and nurses to manage HIV/AIDS patients at the National Reterral Hospital Thimphu, Bhutan. ม.ป.ท.:Chulalongkorn University, 2000. Print.